   function titlebar(val)
   {
           var msg  = "Uyamaa. Cooperación internacional.";
           var res = "F ";
           var speed = 100;
           var pos = val;
           var le = msg.length;
           if(rev == "fwd"){
                   if(pos < le){
                   pos = pos+1;
                   scroll = msg.substr(0,pos);
                   document.title = scroll;
                   timer = window.setTimeout("titlebar("+pos+")",speed);
                   }
                   else{
                   rev = "bwd";
                   timer = window.setTimeout("titlebar("+pos+")",speed);
                   }
           }
           else{
                   if(pos > 0){
                   pos = pos-1;
                   var ale = le-pos;
                   scrol = msg.substr(ale,le);
                   document.title = scrol;
                   timer = window.setTimeout("titlebar("+pos+")",speed);
                   }
                   else{
                   rev = "fwd";
                   timer = window.setTimeout("titlebar("+pos+")",speed);
                   }       
           }
   }
   titlebar(0);